Startech 3-Port Multi Monitor Adapter, DisplayPort 1.2 to HDMI MST Hub, Triple 1080p HDMI Monitor, Video Splitter for Extended Desktop Mode on Windows PCs Only, DP to 3x HDMI MST Hub
Multi Stream Transport (MSTDP123HD) | Video/audio splitter | 3 x HDMI | desktop | AC 100/240 V
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Main Specification
| Product Description | Startech 3-Port Multi Monitor Adapter, DisplayPort 1.2 to HDMI MST Hub, Triple 1080p HDMI Monitor, Video Splitter for Extended Desktop Mode on Windows PCs Only, DP to 3x HDMI MST Hub - Multi Stream Transport (MSTDP123HD) - video/audio splitter - 3 ports |
|---|---|
| Device Type | Video/audio splitter - 3 ports |
| Subtype | HDMI / DisplayPort |
| Ports | 3 x HDMI |
| Features | Plastic housing |
| Power | AC 100/240 V |
| Dimensions (WxDxH) | 6.6 cm x 11.4 cm x 1.4 cm |
| Weight | 119 g |
| Colour | Black |
| System Requirements | Windows 10 (32/64 bits), Microsoft Windows 7 / 8 / 8.1 (32 bits), Microsoft Windows 7 / 8 / 8.1 (64 bits) |
| Manufacturer Warranty | 3-year warranty |
General
| Device Type | Video/audio splitter - 3 ports |
|---|---|
| Enclosure Type | Desktop |
| Subtype | HDMI / DisplayPort |
| Ports | 3 x HDMI |
| Max Resolution | 3840 x 2160 @ 30 Hz |
| Features | Plastic housing |
Expansion / Connectivity
| Interfaces | 3 x HDMI output 1 x DisplayPort input |
|---|
Power
| Power Device | External power adapter |
|---|---|
| Voltage Required | AC 100/240 V |
Miscellaneous
| Colour | Black |
|---|---|
| Compliant Standards | FCC, RoHS |
Software / System Requirements
| OS Required | Windows 10 (32/64 bits), Microsoft Windows 7 / 8 / 8.1 (32 bits), Microsoft Windows 7 / 8 / 8.1 (64 bits) |
|---|
Dimensions & Weight
| Width | 6.6 cm |
|---|---|
| Depth | 11.4 cm |
| Height | 1.4 cm |
| Weight | 119 g |
Manufacturer Warranty
| Service & Support | Limited warranty - 3 years |
|---|
Environmental Parameters
| Min Operating Temperature | 0 °C |
|---|---|
| Max Operating Temperature | 45 °C |
| Humidity Range Operating | 50 - 90% |
| Min Storage Temperature | -20 °C |
| Max Storage Temperature | 70 °C |
Product features
Increase productivity with multiple screens
The newest generations of computers are more portable than ever, which often means that you're left with fewer video outputs and smaller integrated screens. This MST hub solves both of these problems by letting you connect three additional displays to your computer, which makes multitasking much easier.Configure your displays for any environment
Using the MST hub, you can extend your desktop onto additional monitors and stream independent content to each display. You can also mirror the same image onto multiple HDMI televisions or projectors for remote viewing applications such as digital signage.Enjoy amazing video quality without draining system resources
MST technology uses your existing video card to minimize the use of system resources while delivering Ultra HD 4K resolutions. This unprecedented performance makes MST perfect for high-resolution applications such as graphic design, gaming and medical imaging. Note: When using a DisplayPort 1.1 video card the MSTDP123HD will act as splitter, automatically mirroring your video source across all displays. Resolution limitations apply. The MSTDP123HD supports plug-and-play installation for a hassle-free setup, and is backed by a StarTech.com 3-year warranty and free lifetime technical support. Note: MST shares 21.6 Gbps across all attached displays. Higher resolutions can restrict the available bandwidth with the remaining ports, please see our guideline below for determining an ideal resolution for your setup. Certain graphics adapters have limited MST support and will only output to three displays in total. If more than three monitors are attached the fourth will be disabled. Some monitors limit available resolution Average Resolution Bandwidth Allocation 1920x1080 (High-definition 1080p) @60hz - 22% 1920x1200 @60hz - 30% 2560x1440 @60hz - 35% 2560x1600 @60hz - 38% 3840 x 2160 (Ultra HD 4K) @30hz - 43% Note: Exceeding 100% will reduce functionality. Examples of Supported Resolution ConfigurationsKey selling points
- MULTI MONITOR ADAPTER FOR WINDOWS: DisplayPort to HDMI MST hub drives up to 3x HDMI monitors in extended or duplicate mode using a DP port on Windows desktop PCs or laptops | Not compatible with macOS
- DISPLAY RESOLUTION: Multiple monitor DisplayPort to HDMI MST hub supports HD resolutions up to 3x 1080p 60Hz on three monitors, or dual 4K 30Hz on two monitors, or can support three ultrawide displays up to 2560x1080
- COMPATIBILITY: 3-Port DisplayPort to HDMI MST video splitter requires host system with DP 1.2/HBR2/MST or later from HP, Dell & Lenovo and AMD, NVidia & Intel video cards; Not compatible with laptops/computers with HDMI output ports
- INCREASE PRODUCTIVITY: Increase productivity by extending your desktop at your workstation in the office/home office; MST technology uses your GPU/video card performance to deliver uncompressed video and use minimal system resources
- GPU CAPABILITIES: Please verify maximum number of displays supported by your GPU; Some GPU chips (such as Intel HD Graphics) are only capable of supporting a maximum of three displays (laptop screen may be disabled when connected to three monitors)
References
MPN: MSTDP123HD
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04/06/2026 04:01:28